*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body{
	background: url(../img/bg2.jpg);
	background-repeat: no-repeat;
	background-size:cover;
}
.layui-collapse{
	background-color: rgba(226,226,226,0.5);
	width: 1000px;
	margin: 0 auto;
	margin-top: 10%;
}
form tr td:last-of-type{
	text-align: center;
}